And keep up prayer and pay the poor-rate and bow down with those who bow down.

[Sahih Muslim : Book 26, Number 5378]

Abu Huraira (Radi Allah Anhu) reported Allah's Messenger (sal-allahu- alleihi-wasallam ) as saying: Five are the rights of a Muslim over his brother: 1. Responding to salutation, 2. Saying Yarhamuk Allah when anybody sneezes and says AlHamdulillah, 3. Accept offer greetings from him,4. Visiting the sick, 5. Following the bier."

[Sahih Muslim : Book 26, Number 5379]

Abu Huraira (Radi Allah Anhu) reported Allah's Messenger (sal-allahu- alleihi-wasallam ) as saying: Six are the rights of a Muslim over another Muslim. It was said to him: Allah's Messenger, what are these? Thereupon he said: 1. When you meet him, offer him greetings;2. When he invites you to a feast accept it. 3. When he seeks your council give him, 4. And when he sneezes and says: AlHamdulillah "All praise is due to Allah," you say Yarhamuk Allah (may Allah show mercy to you);5. And when he fails ill visit him; 6. And when he dies follow his bier."